Windows 11 KB5067036 issue: Task Manager won’t close and duplicates, may hurt performance

Windows 11 KB5067036 Issue

Windows 11 KB5067036 has a bug that causes the Task Manager to duplicate every time it is closed, potentially hurting PC performance.

It could hurt your PC's performance if you open Task Manager several times a day.

KB5067036 introduces new features, including a new Start menu, colorful battery icons, and a Recommended feed in File Explorer.

Author's summary: Windows 11 update causes Task Manager issues.

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Windows Latest Windows Latest — 2025-10-29